Re: [PATCHv6] ARM: exynos_defconfig: Enable LEDS for Odroid-XU3/XU4
From: Anand Moon
Date: Thu Sep 03 2015 - 05:48:22 EST
On 3 September 2015 at 14:50, Javier Martinez Canillas
> Hello Anand,
> On 09/03/2015 07:38 AM, Anand Moon wrote:
>> Enable config option NEW_LEDS, LEDS_CLASS, LEDS_GPIO, LEDS_PWM,
>> LEDS_TRIGGERS, LEDS_TRIGGER_TIMER, LEDS_TRIGGER_HEARTBEAT for
>> Odroid-XU3/XU4 board.
>> Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
> I think Krzysztof already mentioned but a commit message shouln't
> describe what the change is (one can look to the patch for that)
> but why the change is needed.
> So I would had expect something along these lines:
> Many Exynos boards (i.e: the Exynos5422 Odroid XU3/XU4) have GPIO
> and PWM based LEDs, so enable the needed Kconfig options to have
> support for these. Also, some boards use the heartbeat LED trigger
> so enable support for this as well.
>> Changes from last version
>> dropped following option.
>> fixed the From address
>> arch/arm/configs/exynos_defconfig | 7 +++++++
>> 1 file changed, 7 insertions(+)
>> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
>> index 9504e77..aaf7aa4 100644
>> --- a/arch/arm/configs/exynos_defconfig
>> +++ b/arch/arm/configs/exynos_defconfig
>> @@ -163,6 +163,13 @@ CONFIG_MMC_SDHCI_S3C_DMA=y
> I don't see an Exynos board using the timer trigger. Do you need it for
> some user-space application that uses the sysfs interface? I'm OK with
> enabling it but again this should be mentioned in the commit message.
Earlier design of the LED for Odroid XU3 was using gpio-leds
Now It was change to using both pwm-leds and gpio-leds.
Earlier I kept them as loadable module and now build-in.
Should I resend this again. Or some body will update the commit message.
> The change looks good to me though so with a better commit message:
> Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> Best regards,
> Javier Martinez Canillas
> Open Source Group
> Samsung Research America
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